Marcos Antonio Amaro dos Santos

Marcos Antonio Amaro dos Santos (born 25 September 1957) is a Brazilian Army general and former Chief of the Brazilian Army General Staff, replacing General Walter Souza Braga Netto.

Military career
He started his military career on 4 March 1974, at the Brazilian Army Preparatory School for Cadets (EsPCEx). Was promoted to major on 31 August 1993. Reached to the last post in the military as Army General on 31 March 2018.

Amaro already occupied the post of Chief of the Military House of the Presidency between 2 October 2015 and 19 May 2016. Other posts were as Army's Secretary of Economy and Finance as well the Southeastern Military Region command between 31 July 2019 and 30 March 2020. On 31 March 2020, he was named Chief of the Brazilian Army General Staff by president Jair Bolsonaro. Left office after 2 years in office after being transferred to military reserve force. Also held, the position of interim Commander of the Brazilian Army between 1–4 February 2021 and 22–29 April 2022. On 3 May 2023, he was named Chief Minister of Institutional Security Cabinet by president Luiz Inácio Lula da Silva.